[texhax] \cite command

[Afshartous, David]

All,

When using the \cite command for consecutive numeric references, how does
one obtain output as "[1-3]" instead of "[1,2,3]"?

E.g., I have \cite{Baron:1986, Bauer:2006, Smith:2009} and this produces
[1,2,3].

Thanks,
David